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1
5 package com.opensymphony.webwork.views.xslt;
6
7 import org.w3c.dom.Node  ;
8
9 import java.lang.reflect.Constructor ;
10 import java.lang.reflect.InvocationTargetException ;
11 import java.util.Collection ;
12
13
14
19 public class DOMAdapter {
20
22 public short getNodeType() {
23 return Node.PROCESSING_INSTRUCTION_NODE; }
25
26 public String getPropertyName() {
27 return "[Root]";
28 }
29
30 public AdapterNode adapt(DOMAdapter rootAdapter, Node parent, String propertyName, Object value) {
31 Class klass = value.getClass();
32 Class adapterClass = findAdapterForClass(klass);
33
34 try {
35 if (adapterClass == null) {
36 if (klass.isArray()) {
37 adapterClass = ArrayAdapter.class;
38 } else if (String .class.isAssignableFrom(klass) || klass.isPrimitive() || Number .class.isAssignableFrom(klass)) {
39 adapterClass = ToStringAdapter.class;
40 } else if (Collection .class.isAssignableFrom(klass)) {
41 adapterClass = CollectionAdapter.class;
42 } else {
43 adapterClass = BeanAdapter.class;
44 }
45 }
46
47 Constructor c = adapterClass.getConstructor(new Class []{
48 DOMAdapter.class, AdapterNode.class, String .class,
49 Object .class
50 });
51 AdapterNode adapter = ((AdapterNode) c.newInstance(new Object []{
52 this, parent, propertyName, value
53 }));
54
55 return adapter;
56 } catch (IllegalAccessException e) {
57 e.printStackTrace();
58 throw new RuntimeException ("Cannot adapt " + value + " (" + propertyName + ") :" + e.getMessage());
59 } catch (InstantiationException e) {
60 e.printStackTrace();
61 throw new RuntimeException ("Cannot adapt " + value + " (" + propertyName + ") :" + e.getMessage());
62 } catch (NoSuchMethodException e) {
63 e.printStackTrace();
64 throw new RuntimeException ("Adapter Class " + adapterClass.getName() + " must define the right constructor. :" + e.getMessage());
65 } catch (InvocationTargetException e) {
66 e.printStackTrace();
67 throw new RuntimeException ("Cannot adapt " + value + " (" + propertyName + ") :" + e.getMessage());
68 }
69 }
70
71 public AdapterNode adapt(Object value) throws IllegalAccessException , InstantiationException {
72 return new DocumentAdapter(this, null, "result", value);
73 }
74
75 public AdapterNode adaptNullValue(DOMAdapter rootAdapter, BeanAdapter parent, String propertyName) {
76 return new ToStringAdapter(rootAdapter, parent, propertyName, "null");
77 }
78
79 private Class findAdapterForClass(Class klass) {
81 return null;
82 }
83 }
84 |
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